CVE-2024-34565 in Debug Info Plugin
Summary
by MITRE • 05/08/2024
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Debug Info allows Stored XSS.This issue affects Debug Info: from n/a through 1.3.10.
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Analysis
by VulDB Data Team • 03/31/2025
The vulnerability identified as CVE-2024-34565 represents a critical cross-site scripting flaw within the Debug Info plugin for WordPress, specifically impacting versions ranging from an unspecified initial release through 1.3.10. This stored cross-site scripting vulnerability arises from inadequate input sanitization during the web page generation process, creating a persistent security risk that can affect multiple users simultaneously. The flaw allows attackers to inject malicious scripts into the application's output, which then executes in the context of other users' browsers when they view affected pages.
The technical implementation of this vulnerability stems from the plugin's failure to properly neutralize user-supplied input before incorporating it into dynamically generated web content. When debug information is processed and displayed, the application does not adequately filter or escape potentially malicious content that could contain script tags or other harmful code sequences. This improper input handling creates an environment where attacker-controlled data can be stored within the application's database and subsequently executed whenever legitimate users access pages containing this malicious content. The vulnerability falls under CWE-79 which specifically addresses improper neutralization of input during web page generation, making it a classic stored XSS scenario where the malicious payload persists in the server-side storage rather than being reflected in a single request.
The operational impact of this vulnerability extends beyond simple data theft or session hijacking, as it provides attackers with the capability to execute arbitrary code within users' browsers and potentially gain access to sensitive information. An attacker could leverage this vulnerability to steal user authentication cookies, modify page content, redirect users to malicious sites, or even perform actions on behalf of authenticated users. The stored nature of this XSS vulnerability means that once the malicious payload is injected, it remains active until manually removed from the database, potentially affecting all users who encounter the compromised content. This makes the vulnerability particularly dangerous in multi-user environments where users may have varying privilege levels, as the attack could potentially escalate to full system compromise depending on user permissions.
Mitigation strategies for CVE-2024-34565 should prioritize immediate remediation through the application of available patches or updates from the plugin vendor, as this represents a critical security flaw that requires prompt attention. Organizations should implement comprehensive input validation and output encoding measures to prevent similar vulnerabilities from occurring in other application components, following established security practices such as those outlined in the OWASP Top Ten and the ATT&CK framework's web application attack patterns. Additionally, security teams should consider implementing content security policies, regular security scanning of web applications, and thorough input sanitization routines to prevent the injection of malicious code into web page content. Network-based protections such as web application firewalls may provide additional defense-in-depth, though they should not be considered a replacement for proper code-level fixes. The vulnerability demonstrates the importance of maintaining up-to-date software components and implementing robust security controls throughout the application development lifecycle to prevent such critical flaws from being introduced into production systems.